Jacques Brunschwig was Professor of Ancient Philosophy, Emeritus, at Paris-Sorbonne University. Geoffrey E. R. Lloyd succeeded Moses Finley as Master of Darwin College, University of Cambridge. He is the author of numerous works on the classical period, among them Early Greek Science: Thales to Aristotle; Greek Science after Aristotle; and Magic, Reason, and Experience: Studies in the Origin and Development of Greek Science.

• Translators' Note Introduction Maps The Philosopher Epistemology Schools and Sites of Learning Observation and Research Demonstration and the Idea of Science Astronomy Cosmology Geography Harmonics History Language Logic Mathematics Medicine Physics Poetics Rhetoric Technology Theology and Divination Theories of Religion Chronology Contributors Index